/* * Ouroboros - Copyright (C) 2016 - 2017 * * IPC process structure * * Dimitri Staessens <dimitri.staessens@ugent.be> * Sander Vrijders <sander.vrijders@ugent.be> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., http://www.fsf.org/about/contact/. */ #ifndef OUROBOROS_IPCPD_IPCP_H #define OUROBOROS_IPCPD_IPCP_H #include <ouroboros/hash.h> #include <ouroboros/ipcp.h> #include <ouroboros/qoscube.h> #include <ouroboros/sockets.h> #include <pthread.h> #include <time.h> #include <signal.h> enum ipcp_state { IPCP_NULL = 0, IPCP_INIT, IPCP_OPERATIONAL, IPCP_SHUTDOWN }; struct ipcp_ops { int (* ipcp_bootstrap)(const struct ipcp_config * conf); int (* ipcp_enroll)(const char * dst, struct dif_info * info); int (* ipcp_connect)(const char * dst, const char * component); int (* ipcp_disconnect)(const char * dst, const char * component); int (* ipcp_reg)(const uint8_t * hash); int (* ipcp_unreg)(const uint8_t * hash); int (* ipcp_query)(const uint8_t * hash); int (* ipcp_flow_alloc)(int fd, const uint8_t * dst, qoscube_t qos); int (* ipcp_flow_alloc_resp)(int fd, int response); int (* ipcp_flow_dealloc)(int fd); }; #define ipcp_dir_hash_strlen() (hash_len(ipcpi.dir_hash_algo) * 2) #define ipcp_dir_hash_len() (hash_len(ipcpi.dir_hash_algo)) struct ipcp { int irmd_api; char * name; enum ipcp_type type; char * dif_name; uint64_t dt_addr; enum hash_algo dir_hash_algo; struct ipcp_ops * ops; int irmd_fd; enum ipcp_state state; pthread_rwlock_t state_lock; pthread_mutex_t state_mtx; pthread_cond_t state_cond; int sockfd; char * sock_path; uint8_t cbuf[IPCP_MSG_BUF_SIZE]; size_t cmd_len; int csockfd; pthread_cond_t acc_cond; pthread_cond_t cmd_cond; pthread_mutex_t cmd_lock; int alloc_id; pthread_cond_t alloc_cond; pthread_mutex_t alloc_lock; pthread_t acceptor; } ipcpi; int ipcp_init(int argc, char ** argv, enum ipcp_type type, struct ipcp_ops * ops); int ipcp_boot(void); void ipcp_shutdown(void); void ipcp_fini(void); void ipcp_set_state(enum ipcp_state state); enum ipcp_state ipcp_get_state(void); int ipcp_wait_state(enum ipcp_state state, const struct timespec * timeout); int ipcp_parse_arg(int argc, char * argv[]); /* Handle shutdown of IPCP */ void ipcp_sig_handler(int sig, siginfo_t * info, void * c); /* Helper functions for directory entries, could be moved */ uint8_t * ipcp_hash_dup(const uint8_t * hash); void ipcp_hash_str(char buf[], const uint8_t * hash); #endif /* OUROBOROS_IPCPD_IPCP_H */